Chapter 36 SNMP
VMG/XMG Series User’s Guide
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managed objects. SNMP allows a manager and agents to communicate for the purpose of accessing
these objects.
SNMP itself is a simple request/response protocol based on the manager/agent model. The manager
issues a request and the agent returns responses using the following protocol operations:
• Get - Allows the manager to retrieve an object variable from the agent.
• GetNext - Allows the manager to retrieve the next object variable from a table or list within an agent.
In SNMPv1, when a manager wants to retrieve all elements of a table from an agent, it initiates a Get
operation, followed by a series of GetNext operations.
• Set - Allows the manager to set values for object variables within an agent.
Trap - Used by the agent to inform the manager of some events.
36.2 The SNMP Screen
Click Maintenance > SNMP to open the following screen. Use this screen to configure the Zyxel Device
SNMP settings.
Configure how the Zyxel Device reports to the Network Management System (NMS) via SNMP using the
screen below
Figure 229 Maintenance > SNMP
The following table describes the fields in this screen.
Table 156 Maintenance > SNMP
LABEL DESCRIPTION
SNMP Agent Enable this switch to let the Zyxel Device act as an SNMP agent, which allows a manager
station to manage and monitor the Zyxel Device through the network, Click on this switch to
enable/disable it. When the switch goes to the right , the function is enabled.
Get Community Enter the Get Community, which is the password for the incoming Get and GetNext requests
from the management station.
Set Community Enter the Set Community, which is the password for the incoming Set requests from the
management station.
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